WO1992020866A1 - Systeme de panneau tactile utilise pour prevenir des personnes de la proximite d'une zone de bord - Google Patents

Systeme de panneau tactile utilise pour prevenir des personnes de la proximite d'une zone de bord Download PDF

Info

Publication number
WO1992020866A1
WO1992020866A1 PCT/US1992/004377 US9204377W WO9220866A1 WO 1992020866 A1 WO1992020866 A1 WO 1992020866A1 US 9204377 W US9204377 W US 9204377W WO 9220866 A1 WO9220866 A1 WO 9220866A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
tactile
edge
panel system
projections
Prior art date
Application number
PCT/US1992/004377
Other languages
English (en)
Inventor
Helmut H. Klohn
Original Assignee
Klohn Helmut H
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Klohn Helmut H filed Critical Klohn Helmut H
Publication of WO1992020866A1 publication Critical patent/WO1992020866A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F1/00—Construction of station or like platforms or refuge islands or like islands in traffic areas, e.g. intersection or filling-station islands; Kerbs specially adapted for islands in traffic areas
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H3/00—Appliances for aiding patients or disabled persons to walk about
    • A61H3/06—Walking aids for blind persons
    • A61H3/066—Installations on the floor, e.g. special surfaces, to guide blind persons

Definitions

  • This invention relates to a tactile edge-warning panel particularly suited for application to train platform edges for providing a safe, effective means of warning visually- handicapped persons when approaching the platform edge.
  • This invention also serves as a safety feature which keeps fully sighted people away from the platform edge.
  • the non-slip texture provides an effective contrast in sound-on-cane contact between the warning surface and adjacent areas when a cane is slid across the surface.
  • This invention features a tactile edge-warning panel system including a panel or strip that may be sheet-metal or a molded material (such as an acrylic resin) for fixing to a surface, a series of projections formed in the strip to present an uneven surface for tactile feedback, a roughened coating on the uneven surface to inhibit slipping, and an angled strip edge portion or return for anchoring the strip edge into the surface to inhibit strip lifting.
  • the strip is made of a pregalvanized steel or other material such as stainless steel or aluminum. Sixteen-gauge pregalvanized steel has been found to be an ideal material.
  • the strip preferably includes a series of holes through the strip along its edges to allow passage of surface fasteners.
  • the strip may include the angled edge portions on more than one edge to allow firm anchoring of the exposed edges of the strip to prevent its lifting and also provide a "cleaner" finish.
  • the strip edge is angled at approximately 90° to the strip and projects 3/16" to 1/2" below the strip when being set into a sawcut.
  • the strip edge can project up to 2 1/2" below the strip when mounted against a platform edge or visible edge.
  • the roughened surface coating may include a paint or an epoxy-based substance having therein a hard filler material for creating the roughened coating.
  • the edges may be anchored into the surface by a polyurethane-based sealant or a two-component traffic loop sealant, dependent upon the substrate type.
  • the system may include a filler sheet between the strip and the surface to which it is applied.
  • the filler may be compliant to help match the uneven surfaces, to provide a compliant feel to the strip for cushioning hard surfaces, and to provide a distinctly different sound from surrounding substrate when impacted by a sweeping cane, tapping cane, foot, or seeing eye dog.
  • An expansion joint may be included to inhibit abrupt jutting edges produced by heaving at joints between strips.
  • the strip projections may include truncated, tapered bumps or elongated, linear bumps or other configurations.
  • the projections in one embodiment are formed in a regular pattern. Alternatively, the projections may be spaced closer together toward one end of the strip than toward the opposite edge to provide tactile strip-position warning.
  • Fig. 1 is an axonometric view of a tactile edge-warning panel according to this invention
  • Fig. 2 is an end view of the panel of Fig. 1 detailing the raised projections and the angled strip edge;
  • Fig. 2A is a similar view showing a panel return covering a platform edge
  • Fig. 3A is a cross sectional view of a tactile edge warning panel according to this invention anchored to a platform edge;
  • Fig. 3B is a detailed cross section of the panel edge of Fig. 3A embedded in the platform;
  • Fig. 4A and 4B are end and top views of an expansion joint for use on asphalt platform applications
  • Figs. 4C and 4D are similar views for an alternative expansion joint
  • Fig. 5 is an axonometric view of an alternative dimple pattern
  • Fig. 6 is an axonometric view of an alternative dimple shape
  • Fig. 7 is a cross-section through a dimple of Fig. 5;
  • Fig. 8 is a cross-section through an elongated, linear dimple
  • Fig. 9 is a view of another dimple design.
  • Fig. 10 is a view of electrical grounding of panels according to this invention; There is shown in Fig. 1 tactile edge-warning panel 10 according to this invention.
  • Panel 10 is made from a strip of sheet metal.
  • galvanized steel is employed; it has been found that 16 gauge pregalvanized steel accomplishes a strip which is stiff and tough, yet light enough to allow the installation of long strips by only one or two people. Aluminium (easier handling due to lighter weight) or stainless steel (maximum corrosion resistance) may also be used.
  • Panel 10 includes angled edge 16 which helps to anchor the panel as described below.
  • the top surface of panel 10 includes a number of raised projections 14, only some of which are shown, to present an uneven surface for tactile feedback.
  • panel 10 may be anchored to wooden surfaces by screws, and to concrete and asphalt surfaces with specialized fastening devices known in the art.
  • Panel 10 is shown in end view in Fig. 2 , in which it can be seen that angled edge 16 is preferably bent at a 90° angle to panel 10.
  • the edge may extend 3/16" to 1/2".
  • the other edge may be beveled as shown to minimize sharp edges and reduce tripping hazard.
  • a 2" return can be added to protect the platform edge and better anchor the tactile panel.
  • Projections 14 are preferably formed by deforming the sheet metal material so that the entire panel can be made from a single piece of metal. This arrangement allows a tactile edge-warning strip according to this invention to be made of virtually any length and width to fit a desired application. For example, many train platforms require tactile warning 24" wide along the length of the platform.
  • the upper surface of panel 10 may be painted or coated with a rough coating 19, Fig. 2, to inhibit slipping and aid in detection by the visually impaired.
  • the coating is an epoxy-based liquid material which hardens after application by painting or spraying, and which includes a relatively high solids content for providing a non-slip surface.
  • the panel may need to be prepared by blasting and then priming.
  • a non-skid paint may be used. Such may not require a primer coat.
  • These paints preferably have fast curing times so that the panels can be stripped and re-painted in place during platform shutdown times (approximately 6 hours) .
  • the material is preferably colored a bright color so that partially/fully-sighted persons may detect the contrast with the adjacent surroundings and in this manner confirm the fact that they are on or approaching a tactile panel. Fading of coatings by sunlight may be inhibited by applying a top coat such as a urethane with pigmented acrylic-base sealer.
  • a top coat such as a urethane with pigmented acrylic-base sealer.
  • One material which has been found suitable for coating 19 is Trac Guard M.P.200 rust inhibitive epoxy metal primer and Trac Guard HD302 heavy duty non-slip coating by Trac-Guard (A Division of Spray Lat Corp.), Mt. Vernon, New York; or primer 5C and finish coat AS-550 made by American Safety Technologies, Inc. , Roseland, New Jersey.
  • a preferred embodiment of the shape and pattern of projections 14, Figs. 1 and 2, shows that projections 14 are round tapered projections having a relatively flat top section 18.
  • projections 14 are formed in a number of rows 20, 22 and 24, with alternating rows, 20 and 22, identical, interspersed with row 24 of projections offset to create the regular offset pattern shown.
  • the size, shape and/or spacing of the projections may be altered as desired.
  • the projections may be made closer together toward one edge of the strip to indicate that the strip edge is being approached.
  • Such an embodiment may be useful in a train platform for warning the visually-handicapped person when the very edge of the platform is being approached.
  • these projections, or projections of any other shape, such as elongated, linear projections may be formed into patterns which indicate a direction or other state to the visually-handicapped person.
  • Panel 200 includes 2" return portion 201 disposed over the track-side edge of platform 34a, and anchored therein, to both cover the platform corner and firmly anchor the panel edge.
  • Fig. 3A illustrates the application of panel 10 to concrete train platform 34 leading to track bed 32. It has been found generally useful to apply a thin membrane between platform 34 and panel 10.
  • Membrane 29 may be a 1/16" EPDM membrane for wood or concrete application or polyethylene or polypropylene rubberized asphalt sheeting for asphalt, wood, or concrete applications. EPDM may not be used in asphalt due to compatibility problems with the substrate.
  • the membrane 29 is preferably glued to the underside of the panel and provides a cushioned, bulky feel on hard surfaces that is more comfortable. Also, the compliant membrane helps to level older, uneven platforms, reducing voids and tactile panel springiness. This also decreases the amount of platform surface levelling preparation required before installation. Also, membrane 29 deadens the sound of strip 10, thereby providing a clear audio signal to a visually impaired person that a dangerous area is nearby, especially when panel 10 is tapped with a cane.
  • Panel 10 may be held onto platform 34 by concrete nails such as Zinc-Spike or Zamac Nailin made by Rawl Plug Co., of New Rochelle, New York. Tamper-proof stainless steel screws may be used for wooden platforms. If an aluminum tactile panel is used on concrete platform 34, a coat of bituminous paint or rubberized asphalt sheeting may be applied in order to inhibit galvanic action. The panel may also be set in fresh concrete. Studs may be added to the back of the strip in this case to help anchor the strip. For application to asphalt, speed-lock toggle bolt assemblies with Louie loops, also available from the Rawl Plug Co., may be used. Adhesives may be used in conjunction with mechanical fasteners. Platform 34 is prepared by making a saw cut 48 therein, Fig.
  • Saw cut 48 is filled with caulking 50 for anchoring edge 16 therein.
  • Caulk 50 for wood and concrete platforms, is preferably a polyurethane based adhesive such as Sikaflex-IA which firmly anchors, in conjunction with nails 28, strip 10 to platform 34.
  • Sealex Loop sealant by W.R. Meadows, Inc., may be used.
  • the other edges may also be caulked to eliminate penetration of water or other liquids.
  • Figs. 4A and 4B detail an expansion joint that may be used at tactile strip joints especially on asphalt platforms that may have a tendency to heave. Without such an expansion joint, heave may cause a sharp height differential at the joint, presenting a tripping hazard which is especially detrimental for a tactile edge warning strip designed to provide tactile feedback to visually handicapped persons.
  • joint 110 is applied across and underneath of the joint of panels 102 and 104 which are separated by 1/4" expansion joint gap 116.
  • Membranes 106 and 108 are left short of the joint to allow room for expansion joint 110 consisting of interleaved joint members 112 and 114, themselves separated by a 1/4" expansion joint space 118. As best shown in Fig.
  • members 112 and 114 have a pattern of interwoven fingers.
  • Joint 110 changes any heave at the intersection of panels 102 and 104 from a sharp point to a curved or bowed area, thereby presenting far less of a tripping hazard.
  • Alternative expansion joint 200 comprises metal plate 216 welded to the underside of one of panels 212 and 214 before installation.
  • Panels 212 and 214 have lower, compliant membranes 211 and 215, respectively, as described above.
  • 1/4" gap 213 is left between panels 212 and 214, and fasteners are passed through holes such as holes 218 and 220.
  • Plate 216 thus also provides electrical continuity between panels 214 and 216 to facilitate electrical grounding, described below.
  • Fig. 5 details pattern 0 of dimples on strip 10a that may be used as a guide.
  • Other shapes of dimples may also be used, such as octagonal-sided dimples 62, Figs. 6 and 7, and elongated linear dimples, Fig. 8.
  • the dimples may also have a very slightly truncated, or non-truncated, conical shape as shown in Fig. 9.
  • Fig. 10 illustrates electrical grounding of the panels installed on a platform.
  • Panel 250 on the edge of platform 252 above track bed 254 is electrically connected to grounding rod 256 driven into bed 254 by wire 258.
  • Joints such as expansion joint 210, Fig. 4C, provide electrical continuity amongst all the panels so that the entire platform area is sufficiently grounded.
  • the panel may be used for floor plates providing a non-slip surface to avoid removal of contaminated flooring, which cannot be painted directly with a non-slip paint, for example in diesel maintenance facilities. Also, the panel may be used as a threshold upon entering a train or transit vehicle in order to avoid slipping hazard. The panels may be used to provide a non-slip flooring for marine applications.
  • the tactile edge-warning panel of this invention may also be used for other applications where tactile warning is needed, or for applications in which hard, non-slip surfaces are desired.
  • the panel may be used for curb cuts at sidewalks and platforms and as stair treads or for landings at the top or bottom of the stairs.
  • the edge warning panel may also be incorporated into retractable train platforms.
  • Other uses are for speed bumps/warning strips in roadways, or as raised areas to help cars stop at intersections where icing is a problem.
  • the tactile panel member of this invention may also be formed of a solidifiable material, such as a polymer, by casting or molding.
  • Acrylic resins such as Silikal R68 available from Silikal North America, Inc. , of Stratford, Connecticut, are tough, durable, and able to withstand temperature extremes: these materials are thus well suited for application to public places that see heavy foot or vehicle traffic, and which may be exposed to the elements.
  • This material can be cast in any size and shape and then may be painted. Alternatively, pigments and solids (for roughening) may be added to the liquid that is cast so the color and roughness extend through the entire panel thickness.
  • These cast panels also have some natural compliance, and so can be used on contoured surfaces such as curb cuts. Also, they are installable with adhesives, although some mechanical fasteners may also be used. Because these panels are cast, they can be repaired in situ.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

Système de panneau tactile avertissant de la proximité d'une zone de bord, comprenant une bande ou un panneau (12) présentant une série de parties saillantes (14) formées dans ce dernier pour produire une surface non lisse qui provoque une réaction tactile. La surface supérieure du panneau est recouverte d'un revêtement rugueux (19) qui empêche la personne qui le touche de glisser.
PCT/US1992/004377 1991-05-24 1992-05-22 Systeme de panneau tactile utilise pour prevenir des personnes de la proximite d'une zone de bord WO1992020866A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US705,124 1991-05-24
US07/705,124 US5217319A (en) 1991-05-24 1991-05-24 Metal tactile edge-warning strip

Publications (1)

Publication Number Publication Date
WO1992020866A1 true WO1992020866A1 (fr) 1992-11-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1992/004377 WO1992020866A1 (fr) 1991-05-24 1992-05-22 Systeme de panneau tactile utilise pour prevenir des personnes de la proximite d'une zone de bord

Country Status (2)

Country Link
US (1) US5217319A (fr)
WO (1) WO1992020866A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2767846A1 (fr) * 1997-08-29 1999-03-05 Smac Acieroid Element de bande podotactile, et procede de realisation d'une telle bande
WO2003046287A1 (fr) * 2001-11-29 2003-06-05 Penglase Investments Pty Ltd Carreau
WO2016151255A1 (fr) 2015-03-24 2016-09-29 Auriol Frappe A Froid Dalle podotactile lumineuse
WO2023047131A3 (fr) * 2021-09-24 2023-05-04 I-Glo Limited Caractéristiques de sécurité améliorées pour profils tactiles

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US5526766A (en) * 1993-04-13 1996-06-18 Newport News Shipbuilding And Dry Dock Company Hull markings
US5827009A (en) * 1995-12-28 1998-10-27 Kokoletsos; Basil George Tactile warning surface, method, and apparatus
US5755527A (en) * 1996-09-17 1998-05-26 Dufresne; Peter Roadway water ramp apparatus
EP1087061B1 (fr) * 1999-09-27 2007-09-05 Kick TG Holding B.V. Dalle pour guider des personnes aveugles
US20030091388A1 (en) * 2001-10-05 2003-05-15 Hallen Products, Ltd. Road marker base with improved adherence and light transmission
US6485226B1 (en) * 2002-04-18 2002-11-26 Bill A. Harger Flexible plastic curb
US8261497B2 (en) * 2004-09-27 2012-09-11 Metadome, Llc Embedment tile with replaceable top plate
US9398996B2 (en) 2003-09-25 2016-07-26 Metadome, Llc Embedment plate for pedestrian walkways with reinforced projections
US9027290B2 (en) * 2004-09-27 2015-05-12 Metadome, Llc Embedment plate for pedestrian walkways with reinforced projections
US8146302B2 (en) * 2004-09-27 2012-04-03 Metadome, Llc Tactile tile with improved reinforced embedment plate
US20050117969A1 (en) * 2003-12-01 2005-06-02 American Trim, Llc Anti-slip step for a motor vehicle and a method of forming the same
US20060087094A1 (en) * 2003-12-01 2006-04-27 American Trim, Llc Anti-slip step for a motor vehicle and a method of forming the same
US7955024B2 (en) * 2003-12-03 2011-06-07 Ez Set Tile, Inc. Inlay system for concrete
US7993074B1 (en) * 2003-12-03 2011-08-09 Ez Set Tile, Inc. Inlay system for concrete
US20060024132A1 (en) * 2004-08-02 2006-02-02 Seman Todd J Tactile warning system
US7249911B2 (en) * 2004-08-23 2007-07-31 Hyams Christopher A Detectable warning-dots demarkation for pedestrian safety
US20090169297A1 (en) * 2005-03-28 2009-07-02 Koehn Doyle L Truncated safety dome device and method
US7182548B1 (en) * 2005-10-25 2007-02-27 John Christopher Womack One-piece safety cleat
US20070269264A1 (en) * 2006-01-02 2007-11-22 Boghossian Hratch P Safety tile for pedestrian tactile detection
US20080008526A1 (en) * 2006-01-02 2008-01-10 Boghossian Hratch P Safety Tile for Pedestrian Tactile Detection
US20070196169A1 (en) * 2006-02-13 2007-08-23 Logan Kevin J Truncated dome insert pins with flexible Mylar Layout Grid
US20070201949A1 (en) * 2006-02-27 2007-08-30 East Jordan Iron Works, Inc. Detectable warning plate
US7189025B1 (en) * 2006-04-10 2007-03-13 Flint Trading, Inc. Preformed pavement warning assembly and method
US20080107481A1 (en) * 2006-11-02 2008-05-08 Mrb Holdings Corporation Tactile directional tiles for pedestrians
US7779591B2 (en) * 2007-03-29 2010-08-24 Stronggo Llc Tiles with bottom-side extensions and method for installation
US7779581B2 (en) * 2007-05-09 2010-08-24 Ada Solutions, Inc. Replaceable wet-set tactile warning surface unit and method of installation and replacement
US7827928B2 (en) * 2007-12-12 2010-11-09 Ultra Tech International Tactile warning pad with shearable anchor members
US9365984B2 (en) * 2010-02-01 2016-06-14 Ada Solutions, Inc. Universal radius tactile warning surface product
CA2707905A1 (fr) * 2010-06-30 2011-12-30 Steven Cromb Bande antiderapante
US8920066B1 (en) 2011-01-12 2014-12-30 Tuf-Tite, Inc. Tactile sidewalk surface
CA2851054C (fr) 2011-10-03 2019-09-10 Engineered Plastics Inc. Avertissements detectables
USD691743S1 (en) 2012-01-12 2013-10-15 Tuf-Tite, Inc. Sidewalk tile
WO2013120076A1 (fr) 2012-02-09 2013-08-15 Brand Bumps, LLC Panneau d'avertissement détectable décoratif ayant une prise améliorée
US8662788B2 (en) 2012-04-23 2014-03-04 Metadome, Llc Tactile embedment plate assembly with an alignment bracket
US8967904B1 (en) * 2012-10-05 2015-03-03 Pioneer Detectable, LLC Tactile plate assembly
WO2015143052A1 (fr) 2014-03-18 2015-09-24 Brandbumps, Llc Panneau de montage de surface d'avertissement tactile à monter sur une surface de sol préformée
US9770383B1 (en) 2015-03-13 2017-09-26 Tuf-Tite, Inc. Arcuate tactile sidewalk tile arrangement and method of assembly
USD796073S1 (en) 2016-03-15 2017-08-29 Tuf-Tite, Inc. Sidewalk tile
WO2018178324A1 (fr) * 2017-03-30 2018-10-04 James Hardie Technology Limited Système de fourrure structural multifonction
US10497228B2 (en) * 2017-09-27 2019-12-03 Porous Technologies, Llc Perforated tactile warning device
US10920378B2 (en) * 2018-01-19 2021-02-16 Tuf-Tite, Inc. Stamped steel detectable warning tile and method of manufacture
USD869693S1 (en) 2018-02-15 2019-12-10 Tuf-Tite, Inc. Tactile tile

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2767846A1 (fr) * 1997-08-29 1999-03-05 Smac Acieroid Element de bande podotactile, et procede de realisation d'une telle bande
WO2003046287A1 (fr) * 2001-11-29 2003-06-05 Penglase Investments Pty Ltd Carreau
WO2016151255A1 (fr) 2015-03-24 2016-09-29 Auriol Frappe A Froid Dalle podotactile lumineuse
WO2023047131A3 (fr) * 2021-09-24 2023-05-04 I-Glo Limited Caractéristiques de sécurité améliorées pour profils tactiles

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